13786640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3517}}^1$

素因数の和:3544

約数の個数: 60

約数和(自身を含む): 37297836

約数和(自身を除く): 23511196

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3517, 3920, 7034, 14068, 17585, 24619, 28136, 35170, 49238, 56272, 70340, 98476, 123095, 140680, 172333, 196952, 246190, 281360, 344666, 393904, 492380, 689332, 861665, 984760, 1378664, 1723330, 1969520, 2757328, 3446660, 6893320, 13786640]

約数ペア:

[(1, 13786640), (2, 6893320), (4, 3446660), (5, 2757328), (7, 1969520), (8, 1723330), (10, 1378664), (14, 984760), (16, 861665), (20, 689332), (28, 492380), (35, 393904), (40, 344666), (49, 281360), (56, 246190), (70, 196952), (80, 172333), (98, 140680), (112, 123095), (140, 98476), (196, 70340), (245, 56272), (280, 49238), (392, 35170), (490, 28136), (560, 24619), (784, 17585), (980, 14068), (1960, 7034), (3517, 3920)]